Cheap flights from Charlotte to San Antonio from $123

If you aren’t able to travel during the month of October, then book flights to San Antonio from Charlotte during September instead. Flights to San Antonio in September, while not as cheap as those in October, still average around $325.

The cheapest day to depart on your flight to San Antonio is on a Wednesday when prices can be found for as low as $354. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Sunday is $539.

According to our data, the cheapest time of day to fly to San Antonio is in the morning. momondo users have found flights departing from Charlotte to San Antonio in the morning for as low as $368. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly in the afternoon, with an average ticket price of $472. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Charlotte Douglas to San Antonio for the best Charlotte Douglas - San Antonio flight prices

You are more likely to see cheaper flights to San Antonio from Charlotte when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $388 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from Charlotte for as low as $328 on momondo.

There are 3 cabin classes available to choose from on Charlotte to San Antonio flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between Charlotte to San Antonio.

As of August 2026, prices for Charlotte to San Antonio flights are approximately 111% more expensive when compared to flights at the same time last year.

United Airlines and Delta are the most popular carriers operating from Charlotte Douglas to San Antonio

American Airlines, Delta and Southwest are the top three most popular airlines that fly to San Antonio from Charlotte according to our data. American Airlines is the first choice among our users, with 70% of people opting to fly with this airline when traveling to San Antonio. Keep in mind that there are 6 different airlines that fly to San Antonio on a routine basis, so you have a few additional options to choose from.

Atlanta (ATL) was the most common stop: 67% of momondo users choosing 1-stop flights on this route connected there.

Flights via Atlanta (ATL) offer the lowest average round-trip price of $384.

Flights connecting via Atlanta (ATL) have the shortest average one-way travel time: 4h 51m.

Nashville (BNA) has the shortest average layover time for this route: 0h 45m.

As of August 2026, there are 5 flights per day flying from Charlotte to San Antonio. The most common time of day flights depart is 2:00PM, with 57% of flights taking off in the evening.

36 flights are operational weekly from Charlotte to San Antonio as of August 2026. The most popular departure day for this route is Sun, with 19% of flights per week taking off on this day.